i don’t understand what you’re having a hard time with? Knowing what to say? Or who to say it? Or how they should enter? Usually what I’ve seen is pretty standard… The dj says something like, “and now may I present/introduce to you…. Sarah so-and-so escorted by Bob so-and-so…” Etc. and then they walk in to some music and do whatever they want and go stand at their seats.